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Efficient Synchronization On Multiprocessors With Shared Memory
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Book Synopsis Efficient Synchronization on Multiprocessors With Shared Memory (Classic Reprint) by : Clyde P. Kruskal
Download or read book Efficient Synchronization on Multiprocessors With Shared Memory (Classic Reprint) written by Clyde P. Kruskal and published by Forgotten Books. This book was released on 2018-02-07 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Efficient Synchronization on Multiprocessors With Shared Memory A new formalism is given for read-modify-write (rmw) synchronization opera tions. This formalism is used to extend the memory reference combining mechan ism, introduced in the nyu Ultracomputer, to arbitrary rmw operations. A for mal correctness proof of this combining mechanism is given. General requirements for the practicality of combining are discussed. Combining is shown to be practical for many useful memory access Operations. This includes memory updates of the form mem_val mem_val op val, where op need not be associative, and a variety of synchronization primitives. The computation involved is shown to be closely re lated to parallel prefix evaluation. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author :Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory Publisher : ISBN 13 : Total Pages :0 pages Book Rating :4.:/5 (123 download)
Book Synopsis Efficient Synchronization on Multiprocessors with Shared Memory by : Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory
Download or read book Efficient Synchronization on Multiprocessors with Shared Memory written by Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory Publisher : ISBN 13 : Total Pages :30 pages Book Rating :4.:/5 (123 download)
Book Synopsis Efficient Synchronization on Multiprocessors with Shared Memory by : Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory
Download or read book Efficient Synchronization on Multiprocessors with Shared Memory written by Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory and published by . This book was released on 1986 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanisms for Efficient Shared-memory, Lock-based Synchronization by : Alain Kägi
Download or read book Mechanisms for Efficient Shared-memory, Lock-based Synchronization written by Alain Kägi and published by . This book was released on 1999 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shared-Memory Synchronization by : Michael Lee Scott
Download or read book Shared-Memory Synchronization written by Michael Lee Scott and published by Springer Nature. This book was released on 2024 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zusammenfassung: This book offers a comprehensive survey of shared-memory synchronization, with an emphasis on "systems-level" issues. It includes sufficient coverage of architectural details to understand correctness and performance on modern multicore machines, and sufficient coverage of higher-level issues to understand how synchronization is embedded in modern programming languages. The primary intended audience for this book is "systems programmers"--the authors of operating systems, library packages, language run-time systems, concurrent data structures, and server and utility programs. Much of the discussion should also be of interest to application programmers who want to make good use of the synchronization mechanisms available to them, and to computer architects who want to understand the ramifications of their design decisions on systems-level code
Book Synopsis Scalable Shared Memory Multiprocessors by : Michel Dubois
Download or read book Scalable Shared Memory Multiprocessors written by Michel Dubois and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The workshop on Scalable Shared Memory Multiprocessors took place on May 26 and 27 1990 at the Stouffer Madison Hotel in Seattle, Washington as a prelude to the 1990 International Symposium on Computer Architecture. About 100 participants listened for two days to the presentations of 22 invited The motivation for this workshop was to speakers, from academia and industry. promote the free exchange of ideas among researchers working on shared-memory multiprocessor architectures. There was ample opportunity to argue with speakers, and certainly participants did not refrain a bit from doing so. Clearly, the problem of scalability in shared-memory multiprocessors is still a wide-open question. We were even unable to agree on a definition of "scalability". Authors had more than six months to prepare their manuscript, and therefore the papers included in this proceedings are refinements of the speakers' presentations, based on the criticisms received at the workshop. As a result, 17 authors contributed to these proceedings. We wish to thank them for their diligence and care. The contributions in these proceedings can be partitioned into four categories 1. Access Order and Synchronization 2. Performance 3. Cache Protocols and Architectures 4. Distributed Shared Memory Particular topics on which new ideas and results are presented in these proceedings include: efficient schemes for combining networks, formal specification of shared memory models, correctness of trace-driven simulations,synchronization, various coherence protocols, .
Book Synopsis Efficient Synchronization Hardware for Removing Hot-spot Contention in Large-scale Shared Memory Multiprocessors by : Kanad Ghose
Download or read book Efficient Synchronization Hardware for Removing Hot-spot Contention in Large-scale Shared Memory Multiprocessors written by Kanad Ghose and published by . This book was released on 1990 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Shared-Memory Synchronization by : Michael L. Scott
Download or read book Shared-Memory Synchronization written by Michael L. Scott and published by Springer Nature. This book was released on 2022-05-31 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: From driving, flying, and swimming, to digging for unknown objects in space exploration, autonomous robots take on varied shapes and sizes. In part, autonomous robots are designed to perform tasks that are too dirty, dull, or dangerous for humans. With nontrivial autonomy and volition, they may soon claim their own place in human society. These robots will be our allies as we strive for understanding our natural and man-made environments and build positive synergies around us. Although we may never perfect replication of biological capabilities in robots, we must harness the inevitable emergence of robots that synchronizes with our own capacities to live, learn, and grow. This book is a snapshot of motivations and methodologies for our collective attempts to transform our lives and enable us to cohabit with robots that work with and for us. It reviews and guides the reader to seminal and continual developments that are the foundations for successful paradigms. It attempts to demystify the abilities and limitations of robots. It is a progress report on the continuing work that will fuel future endeavors. Table of Contents: Part I: Preliminaries/Agency, Motion, and Anatomy/Behaviors / Architectures / Affect/Sensors / Manipulators/Part II: Mobility/Potential Fields/Roadmaps / Reactive Navigation / Multi-Robot Mapping: Brick and Mortar Strategy / Part III: State of the Art / Multi-Robotics Phenomena / Human-Robot Interaction / Fuzzy Control / Decision Theory and Game Theory / Part IV: On the Horizon / Applications: Macro and Micro Robots / References / Author Biography / Discussion
Book Synopsis Energy-aware Synchronization in Shared-memory Multiprocessors by : Jian Li
Download or read book Energy-aware Synchronization in Shared-memory Multiprocessors written by Jian Li and published by . This book was released on 2004 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Analysis of the Interactions of Overhead-reducing Techniques for Shared-memory Multiprocessors by : University of Wisconsin--Madison. Computer Sciences Dept
Download or read book An Analysis of the Interactions of Overhead-reducing Techniques for Shared-memory Multiprocessors written by University of Wisconsin--Madison. Computer Sciences Dept and published by . This book was released on 1995 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: "The fine-grain nature of shared-memory multiprocessor communication introduces overheads that can be substantial. Using the Scalable Coherent Interface (SCI) as a base hardware platform and the SPLASH benchmark suite for applications, we analyze three techniques to reduce this overhead: (i) efficient synchronization primitives, and in particular a hardware primitive called QOLB; (ii) weakened memory ordering constraints; and (iii) optimization of the cache-coherence protocol for two nodes sharing data. We perform simulations both for current technology and technology that we anticipate will be available five years hence. We find that QOLB (of which this study performs the first detailed simulations) shows a large and consistent improvement, much larger than that predicted by Mellor-Crummey and Scott [19]. The relaxation of memory ordering constraints also provides a consistent performance improvement. In accordance with prior results, we show that a more aggressive memory model produces more substantial performance improvements. The optimization for two-node sharing shows mixed results, correlating unsurprisingly with the presence of that sharing pattern in an application. Our most important results are (i) that the overheads eliminated with these optimizations are largely orthogonal -- the performance gains from supporting multiple optimizations concurrently are for the most part additive -- and (ii) that technological improvements increase both these overheads and the success of the optimizations at reducing them."
Book Synopsis Synchronization Via Scheduling by : Shane Joseph Mottishaw
Download or read book Synchronization Via Scheduling written by Shane Joseph Mottishaw and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The recent shift to multi-core computing has meant more programmers are required to write parallel programs. This is a daunting task even for experienced programmers due to the complexity and challenges involved in parallel programming. Key among these issues is managing concurrent accesses to shared memory. Unfortunately, most existing approaches rely on synchronization primitives that leave the complexity of protecting shared memory to the programmer and those that have attempted to automatically protect shared memory have achieved limited success. To address the issue of shared memory management while mitigating the limitations of existing approaches, we introduce a new technique called Synchronization via Scheduling (SvS). SvS provides efficient and automatic protection of shared memory by combining static and dynamic analysis to determine the set of possible memory accesses a block of code makes before it is executed and schedules these blocks such that no two blocks concurrently access the same memory.
Book Synopsis An Analysis of Synchronization Mechanisms in Shared-memory Multiprocessors by : University of Wisconsin--Madison. Computer Sciences Dept
Download or read book An Analysis of Synchronization Mechanisms in Shared-memory Multiprocessors written by University of Wisconsin--Madison. Computer Sciences Dept and published by . This book was released on 1991 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Art of Multiprocessor Programming by : Maurice Herlihy
Download or read book The Art of Multiprocessor Programming written by Maurice Herlihy and published by Newnes. This book was released on 2020-09-08 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Art of Multiprocessor Programming, Second Edition, provides users with an authoritative guide to multicore programming. This updated edition introduces higher level software development skills relative to those needed for efficient single-core programming, and includes comprehensive coverage of the new principles, algorithms, and tools necessary for effective multiprocessor programming. The book is an ideal resource for students and professionals alike who will benefit from its thorough coverage of key multiprocessor programming issues. Features new exercises developed for instructors using the text, with more algorithms, new examples, and other updates throughout the book Presents the fundamentals of programming multiple threads for accessing shared memory Explores mainstream concurrent data structures and the key elements of their design, as well as synchronization techniques, from simple locks to transactional memory systems
Book Synopsis Scalable Shared-Memory Multiprocessing by : Daniel E. Lenoski
Download or read book Scalable Shared-Memory Multiprocessing written by Daniel E. Lenoski and published by Elsevier. This book was released on 2014-06-28 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dr. Lenoski and Dr. Weber have experience with leading-edge research and practical issues involved in implementing large-scale parallel systems. They were key contributors to the architecture and design of the DASH multiprocessor. Currently, they are involved with commercializing scalable shared-memory technology.
Book Synopsis Euro-Par 2006 Parallel Processing by : Wolfgang E. Nagel
Download or read book Euro-Par 2006 Parallel Processing written by Wolfgang E. Nagel and published by Springer Science & Business Media. This book was released on 2006-08-24 with total page 1228 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 12th International Conference on Parallel Computing, Euro-Par 2006. The book presents 110 carefully reviewed, revised papers. Topics include support tools and environments; performance prediction and evaluation; scheduling and load balancing; compilers for high performance; parallel and distributed databases, data mining and knowledge discovery; grid and cluster computing: models, middleware and architectures; parallel computer architecure and instruction-level parallelism; distributed systems and algorithms, and more.
Book Synopsis Efficient and Correct Execution of Parallel Programs That Share Memory by : Dennis Shasha
Download or read book Efficient and Correct Execution of Parallel Programs That Share Memory written by Dennis Shasha and published by Sagwan Press. This book was released on 2018-02-07 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Book Synopsis An Event-Driven Parallel-Processing Subsystem for Energy-Efficient Mobile Medical Instrumentation by : Florian Stefan Glaser
Download or read book An Event-Driven Parallel-Processing Subsystem for Energy-Efficient Mobile Medical Instrumentation written by Florian Stefan Glaser and published by BoD – Books on Demand. This book was released on 2022-12-02 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aging population and the thereby ever-rising cost of health services call for novel and innovative solutions for providing medical care and services. So far, medical care is primarily provided in the form of time-consuming in-person appointments with trained personnel and expensive, stationary instrumentation equipment. As for many current and past challenges, the advances in microelectronics are a crucial enabler and offer a plethora of opportunities. With key building blocks such as sensing, processing, and communication systems and circuits getting smaller, cheaper, and more energy-efficient, personal and wearable or even implantable point-of-care devices with medicalgrade instrumentation capabilities become feasible. Device size and battery lifetime are paramount for the realization of such devices. Besides integrating the required functionality into as few individual microelectronic components as possible, the energy efficiency of such is crucial to reduce battery size, usually being the dominant contributor to overall device size. In this thesis, we present two major contributions to achieve the discussed goals in the context of miniaturized medical instrumentation: First, we present a synchronization solution for embedded, parallel near-threshold computing (NTC), a promising concept for enabling the required processing capabilities with an energy efficiency that is suitable for highly mobile devices with very limited battery capacity. Our proposed solution aims at increasing energy efficiency and performance for parallel NTC clusters by maximizing the effective utilization of the available cores under parallel workloads. We describe a hardware unit that enables fine-grain parallelization by greatly optimizing and accelerating core-to-core synchronization and communication and analyze the impact of those mechanisms on the overall performance and energy efficiency of an eight-core cluster. With a range of digital signal processing (DSP) applications typical for the targeted systems, the proposed hardware unit improves performance by up to 92% and 23% on average and energy efficiency by up to 98% and 39% on average. In the second part, we present a MCU processing and control subsystem (MPCS) for the integration into VivoSoC, a highly versatile single-chip solution for mobile medical instrumentation. In addition to the MPCS, it includes a multitude of analog front-ends (AFEs) and a multi-channel power management IC (PMIC) for voltage conversion. ...
